How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become a classic since its relaunched in 2007. The company is now launching an aggressive campaign to other powertrains with the launch of a mild hybrid version.

Replacing the battery for the key fob on the Fiat 500 is straightforward and affordable. The Fiat main dealer will supply the key in about 10 days.

Troubleshooting

The key fob has an electronic chip that communicates with your Fiat's immobiliser system to ensure that only authorised cars can start the engine. If the transponder chip within your key fob is damaged, it will not be able to connect to the immobiliser unit and this means that your car won't start.

The good thing is that it's possible to repair a damaged or broken key fob, as long as the chip is not physically damaged. Locksmiths who are professionals will use standard techniques used by dealers to repair it quickly.

It is possible to utilize an OBD scanner to check whether your fob is in communication with the receiver module. This is a simple procedure and can provide an initial indication of the source of the issue. If the OBD scan tool shows that communication between the transmitter and receiver modules is not happening it is possible to replace the transmitter module on the fob. This is a costly option and should be left to a locksmith.

Dead Coin Battery

The most common reason for an unresponsive key fob is a dead coin battery. Fortunately, this is an easy fix that only takes only a few minutes. First, make sure that the key fob is within range of your vehicle. Press the "Lock" and "Unlock" buttons to determine whether they respond.

The key fob could not function at all, or only occasionally, if it's out of range. This could be a sign of a bad circuit board. In this case you'll have to consult the manual of the owner for instructions on how to reprogram the key fob.

You can replace the battery by getting rid of the mechanical latch on the back of the fob (see the image below). Then, gently pry the edge of the battery holder away from the switch to release the old coin-cell battery. Then, put a new CR2032 3 volt batteries into the fob assembly with the "+" side facing toward the cover on the rear of the key fob, and the "+" side facing downwards towards the rubber buttons.

Water Damage

The key fob isn't waterproof, even though it has rubber seals to prevent water from getting into the electronic chip. A splash of water from rain or a wash cycle is likely to be fine, but submerging the key fob in ocean or pool water is likely to cause damage.

If the key fob is exposed to water and stops working it must be reprogrammed. Follow the steps in your owner’s manual, or go to an expert locksmith or Fiat dealer.

Another reason why a fob may stop working is that it's out of the range of your car. Key fobs generally have a range of 30 feet, and if they're too far away from your car, it won't recognize them. The first thing to try is to move closer to your car. If this doesn't work, you may need to replace the key fob. There are battery replacement Fiat 500 Key fob instructions for a variety of vehicles on YouTube or in the owner's manual. If your key fob appears damaged and scratched, then it's time to replace it.

Faulty Receiver Module

Modern models of Fiat do not require the use of a key to start or open the car. The cars are equipped with an electronic remote control that sends an electronic message to the car in order to turn the engine off and on. If you've damaged your key fob, a locksmith can replace it for you. You can save yourself time and money by delegating this work to the professionals. They can also program the new key for your Fiat.

You'll need to provide the locksmith with some information over the phone when you require a spare Fiat key. You will need to give the locksmith specific information about your car, including the year it was made and the model. This information is important because locksmiths require it to ensure that the new key is compatible with the existing locks.

There are not many locksmiths who can make replacement keys for fiat 500 key cars. Find a locksmith with a good track record and expertise in the field. This means that you are sure that the new key will work with your car and you will not waste money.

Keys that are not paired

If you have a keyfob that has stopped functioning, the most likely cause is the battery is dead. The key fob has metallic clips that keep the battery in place and completes the circuit. When they wear out or loose, it could result in contact issues and then no power. Replace the battery by purchasing a new one of the same size, voltage, and specification, or a spare.

If the key fob has been submerged in water, it's vital to dry it before inserting it again. Using isopropyl or electronic cleaner is an effective method of doing this. It is also advisable to remove the battery and clean the circuit board prior to replacing it.

If you're unable to find a spare key, your best option is to call locksmith. A professional locksmith can reprogram a Fiat transponder key without needing to see your original keys. This is a far cheaper and faster option than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith is equipped with all the tools and equipment required to replace your key as swiftly as possible.